Archives for January 2014

Drainage Design in Southwestern Alberta

Alberta’s southwestern corner is a small area which produces by far the highest amount of precipitation in the province.  To see how extreme the precipitation differences are, just take a look at Alberta Transportation’s “Runoff Depth Map” (to the right; Click to enlarge) which governs one of the methods used to determine design flows for […]

Geothermal Heating: Pros, Cons, and Economics

Geothermal energy is produced from heat inside the earth. The temperature at the earth’s core is approximately 5,400 degrees Celsius (9,700 degrees Fahrenheit). From the surface, a few degrees of heat can generally be observed at depths of 20 – 30 m (65 – 100 ft), although this is highly variable. Pros Environmentally friendly Renewable […]